KR20210139128A - Connector assembly and connector - Google Patents

Abstract

Provided are a connector assembly and a connector that have no difference in transmission characteristics. Each of a first connector (500) and a second connector (100) in the connector assembly (10) has at least two high-frequency signal terminals (450 and 850); when viewed from the first direction, the high-frequency signal terminals (450 and 850) are surrounded by outer shells (300 and 700) and inner shells (350 and 750), respectively; and the outer shells (300 and 700) have a four-sided shape as a whole. When a center line in a second direction orthogonal to a first direction, which is the arrangement direction of the high frequency signal terminals (450 and 850) in the outer shells (300 and 700), is taken as a second symmetry axis β, the high-frequency signal terminals (450 and 850) disposed on the second symmetry axis β, and the outer shells (300 and 700) and the inner shells (350 and 750) surrounding the high-frequency signal terminals (450 and 850) are line-symmetrical.

Description

Connector Assemblies and Connectors

The present invention relates to a connector assembly and connector.

BACKGROUND ART A board-to-board connector for electrically connecting two circuit boards of a flat plate type is conventionally known. This type of connector has a plurality of signal terminals for signal transmission such as high-frequency signals. Since good signal transmission characteristics are required for these plurality of signal terminals, it is necessary to stabilize the impedance of the plurality of signal terminals.

For example, referring to FIG. 21 , in Patent Document 1 below, a connector in which a plurality of terminals each having a contact surface with an opposite terminal corresponding to the connector housing 11 are mounted at a distance from each other, and ground terminals 15 and 16 . A plurality of signal terminals 12, 13, 14 (a plurality of high-frequency signal terminals) arranged in a line with an (inner shell) interposed therebetween, and the ground terminals 15 and 16 (inner shell), a plurality of signals Disclosed is a connector constituted by a conductor plate having plate surfaces 15a and 16a intersecting with respect to the arrangement direction of the terminals 12, 13, and 14 (a plurality of high-frequency signal terminals).

That is, in the connector disclosed in Patent Document 1 below, each of the plurality of high-frequency signal terminals (the plurality of signal terminals 12, 13, 14) has an outer shell (shell-type conductor 17) and an inner shell (ground terminal 15, 16)), the transmission characteristics are improved by impedance matching by adopting a pseudo-coaxial structure surrounded by the periphery.

Japanese Patent Laid-Open No. 2019-121439

However, in the connector disclosed in Patent Document 1, if all the wirings on the board connected to the high-frequency signal terminals are orthogonal to the center line along the arrangement direction of the high-frequency signal terminals of the outer shell and are not in the same orientation, there will be differences in transmission characteristics. had a challenge.

Therefore, in the present invention, when the wiring on the board connected to the high frequency signal terminal extends in a direction perpendicular to the center line of the outer shell, there is no difference in transmission characteristics even if all the wires on the board are drawn out in the same direction. An object of the present invention is to provide a connector assembly and a connector.

The connector assembly of the present invention is a connector assembly including a first connector and a second connector, wherein the first connector is fitted with or removed from the second connector along a first direction, the first connector and the second connector Each of the connectors has at least two high-frequency signal terminals, and when viewed from the first direction, each of the high-frequency signal terminals is surrounded by an outer shell and an inner shell, and the outer shell has a four-sided shape as a whole. , the high frequency signal terminal disposed on the second symmetry axis with a center line along a second direction orthogonal to the first direction that is an arrangement direction of the high frequency signal terminals in the outer shell as a second symmetry axis; The outer shell and the inner shell surrounding the periphery are line-symmetrical, and when a cross section of the high-frequency signal terminal along the first direction is viewed from the second direction, in the first direction orthogonal to the second symmetry axis. It is characterized in that the high frequency signal terminal has a line symmetric shape with the center line of the high frequency signal terminal as a first symmetry axis.

That is, in the connector assembly of the present invention, since the high frequency signal terminal to be impedance matched and the pseudo-coaxial structure formed by the outer shell and the inner shell surrounding the periphery are line symmetrical, the wiring on the board connected to the high frequency signal terminal is the outer shell. In the case of extending in a direction orthogonal to the center line (second symmetry axis) of , the shape of the transmission line does not change even if the drawing directions of all wirings on the substrate are not in the same direction. Further, in the connector assembly of the present invention, since the high frequency signal terminal has a symmetrical structure, when the wiring on the board connected to the high frequency signal terminal extends in a direction orthogonal to the center line (second symmetry axis) of the outer shell, the board There is no difference in impedance characteristics even if all the wirings of the phase are drawn out in the same direction.

In addition, the connector assembly of the present invention can be a board-to-board connector for electrically connecting the first circuit board on which the first connector is mounted and the second circuit board on which the second connector is mounted.

Moreover, this invention includes the connector which can be used as said 1st connector.

Moreover, this invention includes the connector which can be used as said 2nd connector.

Another connector assembly of the present invention is a connector assembly including a first connector and a second connector, wherein the first connector is fitted with or removed from the second connector along a first direction, the first connector and the second connector Each of the two connectors has an outer shell and at least two high-frequency signal terminals, and when viewed from the first direction, the high-frequency signal terminals have a pseudo-stripline structure, each of which is arranged adjacent to the outer shell, A center line along a direction orthogonal to the first direction, which is the arrangement direction of the high frequency signal terminals in the shell, is a second symmetry axis, and the high frequency signal terminal disposed on the second symmetry axis is adjacent to the outer shell. It is characterized in that the pseudo-strip line structure is asymmetrical in shape.

That is, in the connector assembly of the present invention, since the pseudo-strip line structure formed by the high-frequency signal terminal for impedance matching and the adjacent outer shell is line-symmetrical, the wiring on the board connected to the high-frequency signal terminal is the center line of the outer shell ( In the case of extending in a direction orthogonal to the second axis of symmetry), the shape of the transmission line does not change even if all wirings on the substrate are drawn out in the same direction.

According to the present invention, when the wiring on the substrate connected to the high-frequency signal terminal extends in a direction perpendicular to the center line of the outer shell, the transmission line for achieving impedance matching even if all wirings on the substrate are drawn out in different directions. Since the shape does not change, it is possible to provide a connector assembly and connector in which no difference in transmission characteristics occurs even if all wirings are not oriented in the same direction.

BRIEF DESCRIPTION OF THE DRAWINGS It is an upper perspective view which shows the connector assembly of this embodiment.
FIG. 2 is a top view illustrating the connector assembly of FIG. 1 ;
FIG. 3 is a bottom view illustrating the connector assembly of FIG. 1 ;
4 is a cross-sectional view illustrating the connector assembly of FIG. 2 taken along line AA. In the drawing, the first circuit board and the second circuit board are indicated by broken lines.
FIG. 5 is a front view illustrating the connector assembly of FIG. 1 ;
6 is a cross-sectional view illustrating the connector assembly of FIG. 5 taken along line BB. In the drawing, the first circuit board and the second circuit board are indicated by broken lines.
FIG. 7 is an enlarged cross-sectional view showing the main part of the connector assembly of FIG. 6 on an enlarged scale;
FIG. 8 is a bottom perspective view illustrating a first connector included in the connector assembly of FIG. 1 .
Fig. 9 is a bottom view showing the first connector of Fig. 8;
10 is a cross-sectional view illustrating the first connector of FIG. 9 taken along line CC. In the drawing, the first circuit board is indicated by a broken line.
Fig. 11 is a front view showing the first connector of Fig. 8; In the drawing, the first circuit board is indicated by a broken line.
12 is a cross-sectional view illustrating the first connector of FIG. 11 taken along line DD. In the drawing, the first circuit board is indicated by a broken line.
13 is a schematic diagram for explaining the characteristics of the first connector of FIG. 8 . In the drawing, the first connector is indicated by a thin broken line, a part of the circuit pattern is indicated by a solid line, and a characteristic portion of the first connector of the present embodiment is surrounded by a thick broken line.
14 is a top perspective view illustrating a second connector included in the connector assembly of FIG. 1 ;
FIG. 15 is a top view illustrating the second connector of FIG. 14 .
16 is a cross-sectional view illustrating the second connector of FIG. 15 along line EE. In the drawing, the second circuit board is indicated by a broken line.
Fig. 17 is a front view showing the second connector of Fig. 14; In the drawing, the second circuit board is indicated by a broken line.
18 is a cross-sectional view illustrating the second connector of FIG. 17 taken along line FF. In the drawing, the second circuit board is indicated by a broken line.
19 is a schematic diagram for explaining the characteristics of the second connector of FIG. 14 . In the drawing, the second connector is indicated by a thin broken line, a part of the circuit pattern is indicated by a solid line, and a characteristic portion of the second connector of the present embodiment is surrounded by a thick broken line.
20 is a schematic top view showing an example of various modifications that the connector assembly of the present invention can take.
21 is a plan view showing an example of a schematic configuration of one side (receptacle) of a connector included in the connector assembly (male and female connector set) of Patent Document 1;

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment for implementing this invention is demonstrated using drawings. In addition, the following embodiments do not limit the invention in each claim, and it cannot be said that all combinations of features described in the embodiments are essential for solving the invention.

As shown in FIG. 1 , the connector assembly 10 of the present embodiment includes a first connector 500 and a second connector 100 .

1 and 4 , the first connector 500 of the present embodiment is fitted with or removed from the second connector 100 along the first direction. In the present embodiment, the first direction is an up-down direction. In the drawing, the vertical direction is indicated as the Z direction. In particular, the upward direction is the +Z direction and the downward direction is the -Z direction.

4 , 6 , 10 and 12 , the first connector 500 of the present embodiment is fixed to the first circuit board 860 .

8 and 9, the first connector 500 of the present embodiment includes a first insulator 600, a first outer shell 700 disposed to surround the first insulator 600, and a 1 Two first inner shells 750 installed inside the insulator 600, a plurality of first electrical terminals 800 disposed between the two first inner shells 750, and a first outer shell ( 700 ) and two first high frequency signal terminals 850 disposed in a region sandwiched by the first inner shell 750 . In addition, the scope of the present invention is not limited to this embodiment, and at least one first electrical terminal 800 is sufficient. Further, the first connector 500 may include a first insulator 600 , a first outer shell 700 , a first inner shell 750 , and a first high frequency signal terminal 850 . That is, the first connector 500 does not need to include the first electrical terminal 800 .

8, 9 and 12, the first insulator 600 of the present embodiment is made of resin, and the upper surface portion 610, the first peripheral wall portion 620, and the first electrical terminal receiving portion 630 are formed. and a first inner shell accommodating part 640 , a first high frequency signal terminal accommodating part 650 , and a first outer shell fixing part 660 .

9, 10 and 12 , the upper surface portion 610 of the present embodiment has a rectangular flat plate shape orthogonal to the vertical direction, and defines the upper end of the first insulator 600 .

As shown in FIG.8 and FIG.9, the 1st peripheral wall part 620 of this embodiment has the outer periphery by which the center part of four sides which comprises a rectangular shape was cut out when viewed along the up-down direction. The first peripheral wall portion 620 has four first barrier portions 622 and four first end wall portions 626 .

8 and 12 , in the four first barrier portions 622 of the present embodiment, the two first barrier portions 622 are arranged along the second direction, and in the third direction, Two pairs of first barrier portions 622 face each other. In the present embodiment, the second direction is the X direction and the third direction is the Y direction. The upper end of the first barrier part 622 is connected to the upper surface part 610 .

8 and 12 , in the four first end wall portions 626 of the present embodiment, the two first end wall portions 626 are arranged along the third direction, and in the second direction, Two pairs of first end wall portions 626 face each other. The upper end of the first end wall portion 626 is connected to the upper surface portion 610 . Ends in the second direction of the first end wall portion 626 are respectively connected to the first barrier portion 622 . In the vertical direction, the lower end of the first end wall portion 626 is at the same position as the lower end of the first barrier portion 622 . That is, the first peripheral wall portion 620 has an L-shape external shape at the four corners of the first insulator 600 having a rectangular flat plate shape.

As shown in FIGS. 8, 9 and 10 , in the first electrical terminal accommodating part 630 of this embodiment, two wall surfaces extending in the second direction are parallel to the third direction, and the top and bottom of the wall surface It has a recessed part with the lower end opened in the direction. Since there are four 1st electrical terminals 800 of this embodiment, there are two recessed parts in each of two wall surfaces parallel to the 3rd direction. That is, the concave portion of the first electrical terminal accommodating part 630 defines the position of the first electrical terminal 800 . The first electrical terminal accommodating portion 630 is surrounded by the first peripheral wall portion 620 in a plane orthogonal to the vertical direction. In this embodiment, the plane orthogonal to an up-down direction is an XY plane.

As shown in FIGS. 8, 9 and 10 , the first inner shell accommodating part 640 of this embodiment is formed at the end of each of the two parallel wall surfaces constituting the first electrical terminal accommodating part 630 . is a hole A first inner shell 750 , which will be described later, is a plate-shaped metal member, and is disposed so that the plate surface is aligned in the third direction. That is, accommodating the first inner shell so that the plate surfaces of the first inner shell 750 are arranged in parallel in the third direction orthogonal to the second direction, which is the wall direction of the first electrical terminal accommodating part 630 which is two parallel wall surfaces. A hole in the portion 640 is formed.

As shown in FIGS. 8, 9 and 10 , the first high frequency signal terminal accommodating part 650 of the present embodiment is a hole part for receiving and fixing the first high frequency signal terminal 850 . Two first high frequency signal terminals 850 are disposed in a region sandwiched between the first outer shell 700 and the first inner shell 750 . Therefore, the 1st high frequency signal terminal accommodating part 650 is a hole part formed in the location corresponding to these two arrangement|positioning positions.

As shown in FIGS. 8 and 9 , the first outer shell fixing part 660 of this embodiment protrudes outward from the side surface on the second direction side of the upper surface part 610 of the first insulator 600 . It is a protrusion. Two first outer shell fixing parts 660 of the present embodiment are formed on the side surface of the +X direction and two are formed on the side surface of the -X direction. The first outer shell fixing part 660, which is a protrusion, inserts a first outer shell 700 to be described later, and a portion of the first outer shell 700 to be described later by means of two protrusions disposed on each side thereof, and a metal member The first outer shell 700 is fixed to the first insulator 600 by using the elastic force of the first outer shell 700 .

8 to 10 and 12 , the first outer shell 700 of the present embodiment is held by the first insulator 600 . More specifically, the first outer shell 700 is in contact with the lower end of the first peripheral wall portion 620 of the first insulator 600 , and in the second direction of the upper surface portion 610 of the first insulator 600 . It is fixedly and held by the protrusion which protruded from two side surfaces toward the outward two at a time, a total of four.

With reference to FIGS. 8 and 9 , the first outer shell 700 of the present embodiment has an overall quadrilateral shape when viewed from the first direction. The first outer shell 700 is made of metal, and has a first metal plane 710 , a first metal peripheral wall portion 720 , and a first metal engaging portion 730 .

9 to 12 , the first metal plane 710 of the present embodiment is a plane orthogonal to the first direction, that is, the vertical direction. The first metal plane 710 is located at the lower end of the first barrier portion 622 of the first peripheral wall portion 620 of the first insulator 600 . The first metal plane 710 is located at the lower end of the first end wall portion 626 of the first peripheral wall portion 620 of the first insulator 600 .

As shown in FIG. 8 , the first metal peripheral wall portion 720 of the present embodiment has a first metal barrier portion 722 and a first metal end wall portion 726 .

As understood from FIG. 8 , the first metal barrier portion 722 of the present embodiment has a flat plate shape orthogonal to the first direction. The first metal barrier portion 722 is located at the third direction outer ends of the two first barrier portions 622 included in the first peripheral wall portion 620 of the first insulator 600 .

As understood from FIG. 8 , the first metal end wall portion 726 of the present embodiment has a flat plate shape orthogonal to the first direction. The first metal end wall portion 726 is located at the outer ends of the two first end wall portions 626 included in the first peripheral wall portion 620 of the first insulator 600 in the second direction.

The first metal end wall portion 726 of the present embodiment is formed by a first outer shell fixing portion 660 protruding outward from the side surface on the second direction side of the upper surface portion 610 of the first insulator 600 . The side face in the third direction is fitted. In more detail, as shown in FIG. 8 , two first outer shell fixing parts 660 that are protrusions are formed on each side of the first insulator 600 in the X direction, and are sandwiched between the two protrusions. The first metal end wall portion 726 is inserted as if inserted. At this time, in the first metal end wall portion 726 , there is a difference between the gap dimension of the first outer shell fixing part 660 , which is two protrusions arranged, and the width dimension of the first metal end wall part 726 in the third direction. Accordingly, a bending force is generated in the first metal end wall portion 726 . Since the first metal end wall portion 726 is a metal material, an elastic force to resist this bending force is generated, and the first metal end wall portion 726 is fixed between the two first outer shell fixing portions 660 .

10 and 12 , each upper end of the first metal barrier portion 722 and the first metal end wall portion 726 included in the first metal peripheral wall portion 720 of the present embodiment is a first connector 500 ) is fixed to the first circuit board 860 , it is soldered to a circuit pattern (not shown) on the first circuit board 860 . As a result, the first outer shell 700 can be set to a ground potential as a ground conductor.

As shown in FIG. 8 , the first metal engaging portion 730 of this embodiment has a first long metal engaging portion 732 and a first metal short engaging portion 736 .

As shown in FIG. 8 , the first metal long engaging portion 732 of the present embodiment is the outer peripheral surface of the first metal barrier portion 722 in the third direction, and is attached to the wall surface of the first metal barrier portion 722 . It is a rod-shaped protrusion that is formed. The first metal long engaging portion 732 of the present embodiment is located in the central portion of the outer peripheral surface of the first metal barrier portion 722 in the third direction. The first metal long engaging portion 732, which is a rod-shaped protrusion, is formed to extend in a rod-shaped shape along the second direction.

As shown in FIG. 8 , the first metal step engaging portion 736 of the present embodiment is an outer peripheral surface of the first metal end wall portion 726 in the second direction, and is attached to the wall surface of the first metal end wall portion 726 . It is a rod-shaped protrusion that is formed. The first metal step engaging portion 736 of the present embodiment is located in the central portion of the outer peripheral surface of the first metal end wall portion 726 in the second direction. The first metal step engaging portion 736, which is a rod-shaped protrusion, is formed to extend in a rod-shaped shape along the third direction.

As will be understood from FIGS. 4 and 6 , the first metal long engaging portion 732 and the first metal short engaging engaging portion 736 include an outer shell on the side of the second connector 100 (details will be described later) and By contacting, the first metal barrier portion 722 and the first metal end wall portion 726 are forced to be inclined toward the center of the first outer shell 700 from each other. This inclination force generates an elastic force in the first metal barrier portion 722 and the first metal end wall portion 726 of the first outer shell 700 made of a metal material. The generated elastic force is applied to the outer shell (detailed to be described later) on the second connector 100 side through the first metal long engaging portion 732 and the first metal short engaging portion 736, so that the first connector 500 ) and the second connector 100 can be fitted and fixed.

8 to 10 , the first inner shell 750 of the present embodiment is a plate-shaped metal member. Two first inner shells 750 are arranged. The plate surface of the first inner shell 750 is disposed along the third direction inside the first insulator 600 . More specifically, the first inner shell 750 is installed in the first insulator 600 by being fitted into the first inner shell accommodating part 640 formed as a hole with respect to the first insulator 600 . The hole portion of the first inner shell accommodating part 640 is formed at the end of each of the two parallel wall surfaces constituting the first electrical terminal accommodating part 630 , and the first electrical terminal accommodating part 630 in the wall direction is a direction parallel to the second direction. The first inner shell 750 is provided in the first inner shell accommodating portion 640 as a hole so that the plate surfaces of the two first inner shells 750 are parallel to each other along the third direction orthogonal to the second direction. is embedded

Referring to FIG. 10 , when the first connector 500 is fixed to the first circuit board 860 , the upper end of the first inner shell 750 of the present embodiment has a circuit pattern ( not shown) to be soldered. As a result, the first inner shell 750 can be set to a ground potential as a ground conductor.

8 to 10 , the first electrical terminal 800 of the present embodiment is made of a conductive member. The plurality of first electrical terminals 800 are held by the first electrical terminal accommodating portion 630 . In more detail, there are four 1st electrical terminals 800 of this embodiment. On the other hand, the first electrical terminal accommodating portion 630 constitutes two wall surfaces parallel to the third direction, and each of the two wall surfaces has two concave portions. By fitting the first electrical terminal 800 into the recessed portion of the first electrical terminal accommodating portion 630 , the first electrical terminal 800 is held by the first electrical terminal accommodating portion 630 . That is, the first insulator 600 holds the plurality of first electrical terminals 800 . Also, the plurality of first electrical terminals 800 are disposed between the two first inner shells 750 .

8 to 10 and 12 , the first high frequency signal terminal 850 of the present embodiment is made of a conductive member. The first high-frequency signal terminal 850 has an inverted L-shape when viewed from a longitudinal cross-section in the first direction. The first high frequency signal terminal 850 is held by being fitted into the first high frequency signal terminal accommodating portion 650 formed as a hole portion. More specifically, the first high frequency signal terminal 850 is disposed one by one for each of the two regions sandwiched between the first outer shell 700 and the first inner shell 750 , and the first high frequency signal terminal 850 is formed as a hole. The two first high frequency signal terminals 850 are fixed by inserting the first high frequency signal terminals 850 into each of the signal terminal accommodating portions 650 .

Referring to FIG. 13 , the first electrical terminal 800 and the first high frequency signal terminal 850 of the present embodiment are at the upper ends of the respective terminals when the first connector 500 is fixed to the first circuit board 860 . It is soldered to the electric circuit pattern 862 and the high frequency signal circuit pattern 864 on the first circuit board 860 . In the present embodiment, by connecting the electric circuit pattern 862 and the first electric terminal 800, it is possible to supply electric power and transmit a general electric signal. Moreover, in this embodiment, the high frequency signal can be transmitted by the connection of the high frequency signal circuit pattern 864 and the 1st high frequency signal terminal 850 .

14 , the second connector 100 of the present embodiment is fixed to a second circuit board 460 different from the first circuit board 860 .

As shown in FIG. 14 , the second connector 100 of the present embodiment includes a second insulator 200 , a second outer shell 300 disposed to surround the second insulator 200 , and a second insulator ( Two second inner shells 350 installed inside 200 , a plurality of second electrical terminals 400 disposed between the two second inner shells 350 , and a second outer shell 300 , Two second high frequency signal terminals 450 are provided in a region sandwiched by the second inner shell 350 . In addition, the scope of the present invention is not limited to this embodiment, and at least one second electrical terminal 400 is sufficient. Further, the second connector 100 may include a second insulator 200 , a second outer shell 300 , a second inner shell 350 , and a second high frequency signal terminal 450 . That is, the second connector 100 does not need to include the second electrical terminal 400 .

3, 14, and 15, the second insulator 200 of the present embodiment is made of resin, and includes a bottom portion 210, a second electrical terminal accommodating part 230, and a second inner shell accommodating part ( 240) and a second high-frequency signal terminal accommodating unit 250 .

As shown in Figs. 15, 16 and 18, the bottom surface portion 210 of the present embodiment has an H-shaped flat plate shape orthogonal to the vertical direction, and defines the lower end of the second insulator 200. .

14 to 16 , the second electrical terminal accommodating portion 230 of the present embodiment has two insulating planes 232 and an island-like portion 236 .

14 and 15 , the insulating plane 232 of the present embodiment is a plane orthogonal to the first direction, that is, the vertical direction. As shown in FIG. 15 , the insulating plane 232 is located near both ends of the bottom portion 210 in the third direction. The insulating plane 232 is located in two places on the +Y side and the -Y side of the insulating plane 232 in the second direction.

14 and 15 , the island-like portion 236 of the present embodiment protrudes upward from the bottom surface portion 210 in the first direction. As shown in FIG. 15 , both sides of the island-like portion 236 in the third direction are surrounded by the insulating plane 232 in a plane orthogonal to the vertical direction. That is, the island-like portion 236 is sandwiched by two insulating planes 232 in a plane orthogonal to the vertical direction. The island-like portion 236 is located in the middle of the two insulating planes 232 in the third direction.

14 to 16 , the second inner shell accommodating portion 240 of the present embodiment includes two second inner wall portions 242 for receiving and holding one second inner shell 350 and It has two second outer wall portions 246 .

As shown in FIG. 14 , the second inner wall portion 242 of the present embodiment is a T-shaped wall surface when viewed along the vertical direction. The second inner wall portion 242 is disposed so that the lower end of the T-shaped vertical bar faces outward in the second direction. A lower end of the second inner wall portion 242 is connected to the bottom surface portion 210 .

As shown in FIG. 14 , the second outer wall portion 246 of the present embodiment is an L-shaped wall surface when viewed along the vertical direction. In the second outer wall portion 246 , L-shaped vertical bars are disposed on the periphery of the bottom surface portion 210 on the second direction side, and L-shaped vertical bars are disposed along the third direction. A lower end of the second outer wall portion 246 is connected to the bottom surface portion 210 .

When viewed along the vertical direction, the second inner shell 350 is accommodated and held by a set of two T-shaped second inner wall portions 242 and two L-shaped second outer wall portions 246 . . In addition, two sets of the two second inner wall portions 242 and the two second outer wall portions 246 are arranged so that the two second inner shells 350 are accommodated and held.

14, 15 and 18, the second high frequency signal terminal accommodating part 250 of the present embodiment includes a convex part 252 for receiving and fixing the second high frequency signal terminal 450; It has a flat plate installation part 256 for inserting and fixing between the second outer wall parts 246 of the dog. In addition, two second high frequency signal terminals 450 are disposed in a region sandwiched between the second outer shell 300 and the second inner shell 350 . Accordingly, the second high-frequency signal terminal accommodating portion 250 is formed at a location corresponding to these two arrangement positions.

14 , 15 and 18 , the second high frequency signal terminal accommodating part 250 of the present embodiment may be provided between the two second outer wall parts 246 . More specifically, between the two second outer wall portions 246 arranged in parallel in the third direction on the periphery of the bottom surface portion 210 on the second direction side, from the outer side along the second direction. By inserting the flat plate installation part 256 of the second high frequency signal terminal accommodating part 250 toward the inner side, the second high frequency signal terminal accommodating part 250 can be installed between the two second outer wall parts 246 . have.

14, 15 and 18, when the second high frequency signal terminal accommodating part 250 of this embodiment is installed, the convex-shaped part 252 which the 2nd high frequency signal terminal accommodating part 250 has ) is disposed toward the inward side along the second direction. The second high-frequency signal terminal 450, which will be described later, has a jar-shaped shape in which the C-shaped opening part is opened outward when the longitudinal cross-section in the vertical direction, which is the first direction, is viewed from the second direction, as shown in FIG. 18 , As the convex portion 252 penetrates inwardly of the C-shaped closing portion, the second high frequency signal terminal 450 is fitted and fixed to the convex portion 252 and the bottom surface portion 210 .

14 to 16 , the second electrical terminal 400 of the present embodiment is made of a conductive member. The plurality of second electrical terminals 400 are held in the second electrical terminal receiving portion 230 . In more detail, there are four 2nd electrical terminals 400 of this embodiment. Meanwhile, the second electrical terminal accommodating portion 230 has two insulating planes 232 and an island-like portion 236 . The insulating plane 232 is positioned in the vicinity of both ends of the bottom portion 210 in the third direction. The island-shaped portion 236 protrudes upward from the bottom surface portion 210 in the first direction. The island-like portion 236 is sandwiched by two insulating planes 232 in a plane orthogonal to the vertical direction. By inserting the second electrical terminal 400 into the two gaps formed in parallel in the second direction between the two insulating planes 232 and the island-like part 236, the second electrical terminal receiving part 230 is inserted into the gap. , the second electrical terminal 400 is held in the second electrical terminal receiving portion (230). That is, the second insulator 200 holds the plurality of second electrical terminals 400 . In addition, the plurality of second electrical terminals 400 are disposed between two second inner shells 350 to be described later.

14 to 16 and 18 , the second high frequency signal terminal 450 of the present embodiment is made of a conductive member. The second high frequency signal terminal 450 has a jar shape in which the C-shaped opening part is opened outward when the longitudinal cross-section in the vertical direction, which is the first direction, is viewed from the second direction. As for the second high frequency signal terminal 450 , the convex portion 252 included in the second high frequency signal terminal accommodating portion 250 penetrates inside the C-shaped closed portion, whereby the convex portion 252 and the bottom surface portion 210 are formed. ) is inserted and fixed.

Referring to FIG. 19 , the second electrical terminal 400 and the second high frequency signal terminal 450 according to the present embodiment have lower ends of the respective terminals when the second connector 100 is fixed to the second circuit board 460 . It is soldered to the electric circuit pattern 462 and the high frequency signal circuit pattern 464 on the second circuit board 460 . In this embodiment, the electric circuit pattern 462 and the connection of the 2nd electric terminal 400 can supply electric power and transmit a general electric signal. In addition, in this embodiment, the high frequency signal can be transmitted by connecting the high frequency signal circuit pattern 464 and the second high frequency signal terminal 450 .

14 to 16 , the second inner shell 350 of the present embodiment is a plate-shaped metal member. Two second inner shells 350 are arranged. The plate surface of the second inner shell 350 is disposed along the third direction inside the second insulator 200 . More specifically, it is formed between two second inner wall portions 242 forming the second inner shell receiving portion 240 provided with respect to the second insulator 200 and the two second outer wall portions 246 . By fitting the second inner shell 350 into the gap, each of the two second inner shells 350 is provided. The direction of the gap in which the second inner shell 350 is provided is parallel to the third direction. The second inner shell 350 is placed in the second inner shell accommodating portion 240 formed as a gap so that the plate surfaces of the two second inner shells 350 are parallel to each other along the second direction orthogonal to the third direction. ) is inserted.

16 , when the second connector 100 is fixed to the second circuit board 460 , the lower end of the second inner shell 350 of the present embodiment has a circuit pattern ( not shown) to be soldered. As a result, the second inner shell 350 can be set to a ground potential as a ground conductor.

As shown in FIG. 15 , the second outer shell 300 of the present embodiment is connected to and held by the second inner shell 350 . More specifically, the second outer shell 300 is connected to the second inner shell 350 at four locations at both ends of the two second inner shells 350 extending outward in the third direction.

With reference to FIGS. 14 and 15 , the second outer shell 300 of the present embodiment has an overall quadrilateral shape when viewed from the first direction. The second outer shell 300 is made of metal, and when viewed from the first direction, the vertical direction, the two second metal peripheral wall portions 320 having an inverted U-shape in a direction in which the inverted U-shaped openings are opposed to each other. it will be placed In addition, a second metal engaging portion 330 is formed to extend upwardly above the two second metal peripheral wall portions 320 . That is, in the second outer shell 300 of the present embodiment, a pair of members having an inverted U-shape as viewed from the top formed by the second metal peripheral wall portion 320 and the second metal engaging portion 330 are opposed to each other. is placed.

As shown in FIG. 8 , the second metal peripheral wall portion 320 of the present embodiment has a second metal barrier portion 322 and a second metal end wall portion 326 .

14 , the second metal barrier portion 322 of the present embodiment is a direction orthogonal to the first direction, and is disposed in a direction along the second direction. The second metal barrier portion 322 is located at an outer end of the bottom surface portion 210 of the second insulator 200 in the third direction.

14 , the second metal end wall portion 326 of the present embodiment is formed extending from both ends of the second metal barrier portion 322 in the direction along the third direction. The second metal end wall portion 326 is located at an outer end of the bottom surface portion 210 of the second insulator 200 in the second direction.

As understood from FIG. 15 , the second metal peripheral wall portion 320 of the present embodiment is fixed by connecting the second metal barrier portion 322 and the end portions of the two second inner shells 350 . That is, the second metal barrier portion 322 included in the second metal peripheral wall portion 320 is fixed by the end of the second inner shell 350 . On the other hand, the second metal end wall portion 326 included in the second metal peripheral wall portion 320 may be bent so that the inner side of the second metal end wall portion 326 becomes a free end.

As will be understood from FIG. 14 , the second metal engaging portion 330 of the present embodiment is formed in a curved shape having a curvature toward the inward side. The second metal engaging portion 330 is, as understood from FIGS. 4 and 6 , the first metal long engaging portion 732 and the first metal short engaging engaging portion 736 on the first connector 500 side. By making contact with the second metal engaging portion 330 is pushed to receive a force to be inclined toward the outer peripheral side of the second outer shell (300). This inclination force generates an elastic force in the second metal engaging portion 330 or the second metal end wall portion 326 of the second outer shell 300 made of a metal material. The generated elastic force is generated between the second metal engaging portion 330 or the second metal end wall portion 326 and the first metal long engaging portion 732 or the first metal short engaging portion 326 on the first connector 500 side ( 736), fitting and fixing of the first connector 500 and the second connector 100 can be realized.

16 and 18, each lower end of the second metal barrier part 322 and the second metal end wall part 326 of the second metal engaging part 330 of this embodiment is a second connector ( When 100) is fixed to the second circuit board 460 , it is soldered to a circuit pattern (not shown) on the second circuit board 460 . As a result, the second outer shell 300 can be set to a ground potential as a ground conductor.

13 and 19 , the connector assembly 10 of the present embodiment including the first connector 500 and the second connector 100 includes two first high-frequency signal terminals 850 and two second connectors. A high-frequency signal terminal 450 is provided. The first high frequency signal terminal 850 and the second high frequency signal terminal 450 are, when viewed from the first direction, the first outer shell 700 , the second outer shell 300 , and the first inner shell 750 . ) and the second inner shell 350 surrounds it.

More specifically, as shown in FIG. 13 , in the first connector 500 , two first metal barrier parts 722 forming the first metal peripheral wall part 720 of the first outer shell 700 and The first high frequency signal terminal 850 is surrounded by one first metal end wall portion 726 and the first inner shell 750 (see the thick broken line in FIG. 13 ).

On the other hand, in the second connector 100 as shown in FIG. 19 , two second metal barrier portions 322 and two second metal barrier portions 322 forming the second metal peripheral wall portion 320 of the second outer shell 300 . The 2nd high frequency signal terminal 450 is surrounded by the 2nd metal end wall part 326 and the 2nd inner shell 350 (refer thick broken line in FIG. 19).

And as shown in FIG. 13 , in the first connector 500 of the present embodiment, in the first outer shell 700 , the second high frequency signal terminal 850 is arranged in a second direction orthogonal to the first direction. When the center line along the direction is grasped as the second symmetry axis β, the first high frequency signal terminal 850 disposed on the second symmetry axis β, and the first outer shell 700 surrounding the first outer shell 700 (two first The metal barrier part 722, one first metal end wall part 726), and the first inner shell 750 have a line-symmetrical shape.

Further, as shown in FIG. 19 , in the second connector 100 of the present embodiment, the second direction orthogonal to the first direction, which is the arrangement direction of the second high frequency signal terminals 450 in the second outer shell 300 . When the center line along the direction is grasped as the second symmetry axis β, the second high frequency signal terminal 450 disposed on the second symmetry axis β and the second outer shell 300 surrounding the second outer shell 300 (two second The metal barrier portion 322, the two second metal end wall portions 326), and the second inner shell 350 are line-symmetrical.

That is, in the connector assembly 10 of the present embodiment, a pseudo by means of the high frequency signal terminals 450 and 850 for impedance matching, the outer shells 300 and 700 surrounding it, and the inner shells 350 and 750 . Since the coaxial structure has a line symmetrical shape, the wiring on the circuit boards 460 and 860 connected to the high frequency signal terminals 450 and 850 extends in a direction orthogonal to the center line (second symmetry axis β) of the outer shells 300 and 700 . In this case, the shape of the transmission line does not change even if the drawing-out directions of all wirings on the circuit boards 460 and 860 are not the same.

In addition, with reference to FIG. 7 , the connector assembly 10 of the present embodiment including the first connector 500 and the second connector 100 includes cross-sections of the high frequency signal terminals 450 and 850 in the first direction. When viewed from two directions, the high frequency signal terminals 450 and 850 have a line symmetry with the center line of the high frequency signal terminals 450 and 850 in the first direction orthogonal to the second symmetry axis β as the first symmetry axis α.

That is, in the connector assembly 10 of this embodiment, since the high frequency signal terminals 450 and 850 have a symmetrical structure, the wiring on the circuit boards 460 and 860 connected to the high frequency signal terminals 450 and 850 is connected to the outer. When the shells 300 and 700 extend in a direction orthogonal to the center line (the second symmetry axis β), there is no difference in impedance characteristics even if all wirings on the circuit boards 460 and 860 are not drawn out in the same direction.

Therefore, according to the connector assembly 10 of the present embodiment, the wirings on the circuit boards 460 and 860 connected to the high frequency signal terminals 450 and 850 extend in a direction orthogonal to the centerline of the outer shells 300 and 700 . In this case, since the shape of the transmission line for impedance matching does not change even if the drawing directions of all the wirings on the circuit boards 460 and 860 are not in the same direction, there is no difference in transmission characteristics even if all the wirings are not in the same orientation. An assembly 10 may be provided. This effect is particularly advantageous when the connector assembly 10 of the present embodiment is used as a board-to-board connector assembly.

Next, the operation of fitting the first connector 500 and the second connector 100 in the connector assembly 10 of the present embodiment will be described below.

4, 10, and 16, the first metal barrier portion 722 and the first metal end wall portion 726 of the first metal peripheral wall portion 720 of the first connector 500, and the second connector The first connector 500 and the second connector 100 are positioned so that the second metal engaging portions 330 of (100) face each other in the vertical direction. At this time, the first metal barrier portion 722 and the first metal end wall portion 726 of the first metal peripheral wall portion 720 of the first connector 500 are engaged with the second metal of the second connector 100 . The parts 330 face each other in the vertical direction.

After the positioning, the first connector 500 and the second connector 100 are moved so as to approach each other in the vertical direction, so that the first connector 500 is partially to the second connector 100 in the vertical direction. insert At this time, the first metal barrier portion 722 and the first metal end wall portion 726 of the first metal peripheral wall portion 720 of the first connector 500 are connected to the second metal engaging portion of the second connector 100 . (330) is partially accommodated.

When the first connector 500 and the second connector 100 are further brought closer in the vertical direction, the first metal long engaging portion 732 formed on the outer periphery of the first metal barrier portion 722 and the first metal The first metal step engaging portion 736 formed on the outer periphery of the end wall portion 726 is in contact with the inner circumferential surface of the second metal engaging portion 330 formed in a curved shape with a curvature toward the inner side while in contact with the downward direction. As it moves, an insertion force is applied when the first connector 500 is inserted into the second connector 100 .

At this time, the insertion of the first connector 500 and the second connector 100 is partially started in a state in which the terminals of each other are aligned. That is, the first electrical terminal 800 of the first connector 500 , the second electrical terminal 400 of the second connector 100 , and the first high frequency signal terminal 850 and the second of the first connector 500 . Each of the second high frequency signal terminal 450 of the connector 100, the second inner shell 750 of the first connector 500, and the second inner shell 350 of the second connector 100 is partially inserted or become in contact.

When a force is applied to the connector assembly 10 to bring the first connector 500 and the second connector 100 closer to each other in the vertical direction, the first metal long engaging portion 732 of the first connector 500 and the second One metal short engaging portion 736 moves downward while in contact with the second metal engaging portion 330 of the second connector 100 , so that the first metal long engaging portion 732 and the first metal short engaging portion 732 are engaged. The second connector of the first connector 500 when the central position in the first direction in the engaging portion 736 and the curved top in the second metal engaging portion 330 contact each other. The insertion force for (100) is maximum.

After the contact, when a force is continuously applied to the connector assembly 10 to bring the first connector 500 and the second connector 100 closer to each other in the vertical direction, the first metal long engaging portion 732 and the second The central position in the first direction in the one metal step engaging portion 736 moves downward over the curved top of the second metal engaging portion 330, and the first connector 500 ), the upper curved surface of the first metal long engaging portion 732 and the first metal short engaging portion 736 is in contact with the curved lower curved surface of the second metal engaging portion 330 . . Here, the first long metal engaging portion 732 and the first metal short engaging portion 736 of the first connector 500 are in the second metal engaging portion 330 of the second connector 100 , After the point of crossing the top of the curved shape of , the insertion force of the first connector 500 to the second connector 100 decreases. In addition, the curved surface above the first metal long engaging portion 732 and the first metal short engaging portion 736 of the first connector 500 is curved in the second metal engaging portion 330 . By contacting the curved surface below, the fitting between the first connector 500 and the second connector 100 is stabilized.

From the state in which the insertion force is decreased to the state in which the fitting is stabilized, the insertion of the mutual terminals of the first connector 500 and the second connector 100 is from a partial to a regular fitting position. reach In this way, the operation of fitting the first connector 500 and the second connector 100 in the connector assembly 10 of the present embodiment is completed.

As mentioned above, although preferred embodiment of this invention was described, the technical scope of this invention is not limited to the range described in the said embodiment. Various changes or improvement can be added to the said embodiment.

For example, in the above-described embodiment, the outer shells (the first outer shell 700 and the second outer shell 300 ) had a four-sided outer shape as a whole when viewed from the first direction. However, the outer shell in the present invention is not limited to one part of a quadrilateral, and a combination of a plurality of parts may be used. Further, the outer shell in the present invention may have a four-sided shape as a whole even if there is a slight gap between the parts and the parts. In addition, the outer shell in the present invention is not limited to a parallelogram in shape when viewed from the first direction, and even if it has curved sides such as an oval, the center line of the overall quadrilateral shape may be clear. Moreover, even if the outer shell in this invention has a shape when viewed from the 1st direction is a combination of a straight line and a curved arc like a track shape, it is sufficient that the center line of the quadrilateral shape is clear as a whole.

In addition, for example, about the high frequency signal terminal (2nd high frequency signal terminal 450, 1st high frequency signal terminal 850) of the above-mentioned embodiment, it is a single-ended terminal of a single-ended transmission method (single-ended transmission). was assuming Single-ended is a method of expressing “1” and “0” of a signal according to which voltage is higher or lower than the reference voltage among the methods of transmitting digital data through a signal line. However, the high-frequency signal terminal of the present invention is not limited to a single-ended method, and, for example, a high-frequency signal terminal based on other transmission methods such as a differential transmission method may be employed.

Moreover, for example, the connector assembly in this invention can include the modified form shown in FIG. In addition, in FIG. 20, about the same or similar member as embodiment mentioned above, the same code|symbol is attached|subjected, and description is abbreviate|omitted.

That is, in the connector assembly 10 ′ of the modified example, the first connector 500 and the second connector 100 are provided, and the first connector 500 is fitted with the second connector 100 along the first direction. become or are removed. In this connector assembly 10', each of the first connector 500 and the second connector 100 has an outer shell 300, 700 and at least two high-frequency signal terminals 450, 850. And when viewed from the first direction, the high-frequency signal terminals 450 and 850 have a pseudo-stripline structure arranged adjacent to the outer shells 300 and 700, respectively, and the A center line along a direction orthogonal to the first direction, which is the arrangement direction of the high frequency signal terminals 450 and 850 , is a second symmetry axis β, and the high frequency signal terminals 450 and 850 disposed on the second symmetry axis β are adjacent to each other. The pseudo-stripline structure by the outer shells 300 and 700 is line-symmetrical.

Further, in the connector assembly 10' of the modified example, the outer shells 300 and 700 have a polygonal shape in which the four corners of the rectangle are cut out. The shape at the time is not limited to the polygonal shape, and even if it has curved sides such as a parallelogram or an oval, it is sufficient that the center line of the overall quadrilateral shape is clear. Moreover, even if the outer shell in this invention has a shape when viewed from the 1st direction is a combination of a straight line and a curved arc like a track shape, it is sufficient that the center line of the quadrilateral shape is clear as a whole.

That is, in the connector assembly 10' of the modified example, since the pseudo-strip line structure formed by the high-frequency signal terminals 450 and 850 for impedance matching and the outer shells 300 and 700 arranged adjacent to each other are line-symmetrical, the high-frequency signal In the case where the wirings on the circuit boards 460 and 860 connected to the terminals 450 and 850 extend in a direction orthogonal to the center line (the second symmetry axis β) of the outer shells 300 and 700 , the circuit board 460 , 860), the shape of the transmission line does not change even if the direction of drawing out all the wires is not the same.

Therefore, according to the connector assembly 10' of the modified example, the wiring on the circuit boards 460 and 860 connected to the high frequency signal terminals 450 and 850 extends in a direction orthogonal to the center line of the outer shells 300 and 700. In this case, since the shape of the transmission line for impedance matching does not change even if the drawing directions of all the wirings on the circuit boards 460 and 860 are not in the same direction, there is no difference in transmission characteristics even if all the wirings are not in the same orientation. An assembly 10' may be provided. This effect is particularly advantageous when the connector assembly 10' of the modified form is used as a board-to-board connector assembly.

It is clear from the description of the claims that such modifications or improvements can be included in the technical scope of the present invention.

10, 10': connector assembly
100: second connector (connector)
200: second insulator
210: bottom part
230: second electrical terminal receiving unit
232: insulation plane
236: island part
240: second inner shell receiving portion
242: second inner wall portion
246: second outer wall portion
250: second high-frequency signal terminal receiving unit
252: convex shape
256: flat panel installation
300: second outer shell (outer shell)
320: a second metal peripheral wall portion;
322: second metal barrier part
326: second metal end wall portion
330: second metal engaging portion
350: second inner shell (inner shell)
400: second electrical terminal
450: second high-frequency signal terminal (high-frequency signal terminal)
460: second circuit board
462: electrical circuit pattern
464: high frequency signal circuit pattern
500: first connector (connector)
600: first insulator
610: upper surface
620: first peripheral wall portion
622: first barrier part
626: first end wall portion
630: first electrical terminal receiving unit
640: first inner shell receiving portion
650: first high-frequency signal terminal receiving unit
660: first outer shell fixing part
700: first outer shell (outer shell)
710: first metal plane
720: first metal peripheral wall portion
722: first metal barrier part
726: first metal end wall portion
730: first metal engaging portion
732: first metal long engaging portion
736: first metal step engaging portion
750: first inner shell (inner shell)
800: first electrical terminal
850: first high-frequency signal terminal (high-frequency signal terminal)
862: electrical circuit pattern
864: high frequency signal circuit pattern
860: first circuit board
α: first axis of symmetry
β: second axis of symmetry

Claims (5)

A connector assembly comprising a first connector and a second connector, wherein the first connector is fitted with or removed from the second connector along a first direction,
each of the first connector and the second connector has at least two high-frequency signal terminals;
When viewed from the first direction,
Each of the high-frequency signal terminals is surrounded by an outer shell and an inner shell,
The outer shell has a four-sided shape as a whole,
A center line along a second direction orthogonal to the first direction, which is an arrangement direction of the high frequency signal terminals in the outer shell, is a second symmetry axis, and the high frequency signal terminal is disposed on the second symmetry axis, and the periphery thereof The outer shell and the inner shell surrounding the line symmetrical shape,
When the cross section of the high frequency signal terminal in the first direction is viewed in the second direction, the high frequency signal terminal is the first symmetry axis with a center line of the high frequency signal terminal in the first direction orthogonal to the second symmetry axis A connector assembly, characterized in that it has a line symmetrical shape. According to claim 1,
and a board-to-board connector electrically connecting a first circuit board on which the first connector is mounted and a second circuit board on which the second connector is mounted. A connector usable as the first connector according to claim 1 or 2. A connector usable as the second connector according to claim 1 or 2 . A connector assembly comprising a first connector and a second connector, wherein the first connector is fitted with or removed from the second connector along a first direction,
each of the first connector and the second connector has an outer shell and at least two high-frequency signal terminals;
When viewed from the first direction,
Each of the high-frequency signal terminals has a pseudo-strip line structure disposed adjacent to the outer shell,
A center line along a direction orthogonal to the first direction, which is an arrangement direction of the high frequency signal terminals in the outer shell, is a second symmetry axis, and the high frequency signal terminal disposed on the second symmetry axis is adjacent to the outer shell A connector assembly, characterized in that the pseudo-stripline structure by the shell has an axisymmetric shape.

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